NGC 189
Open cluster in the constellation Cassiopeia / From Wikipedia, the free encyclopedia
NGC 189 is an open cluster in the Cassiopeia constellation. It was discovered by Caroline Herschel on 27 September 1783, and independently rediscovered by John Herschel on 27 October 1829.[3]
Quick Facts Observation data (J2000 epoch), Right ascension ...
NGC 189 | |
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Observation data (J2000 epoch) | |
Right ascension | 0h 39m 28.8s[1] |
Declination | +61° 6m 54s[1] |
Distance | 4,200 ly (1,300 pc)[1] |
Apparent magnitude (V) | 8.8[2] |
Apparent dimensions (V) | 0.120°[1] |
Physical characteristics | |
Estimated age | 510 Myr[1] |
Other designations | Cr 462, C 0036+608, OCL 301 |
Associations | |
Constellation | Cassiopeia |
See also: Open cluster, List of open clusters |
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